User Parameter Tables
5-71
Torque Limits: L7
User parameters for torque limits are shown in the following table.
Parameter
Number
Name Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
MODBUS
Register
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
L7-01
Forward
Torque
Limit
Sets the torque limit value as a
percentage of the motor rated torque.
Four individual quadrants can be set.
0
to
300
200% No No No A A A 4A7H
Torq Limit
Fwd
L7-02
Reverse
Torque
Limit
0
to
300
200% No No No A A A 4A8H
Torq Limit
Rev
L7-03
Forward
Regenerative
Torque
Limit
0
to
300
200% No No No A A A 4A9H
Torq Lmt
Fwd Rgn
L7-04
Reverse
Regenerative
Torque
Limit
0
to
300
200% No No No A A A 4AAH
Torq Lmt
Rev Rgn
L7-06
Torque
Limit
Integral
Time
Constant
Sets the torque limit value as a per-
centage of the motor rated torque. Four
individual quadrants can be set.
5
to
10000
200ms No No No A No No 4ACH
Torq Det 2
Time
L7-07
Torque
Limit
Control
Method
Selection
During
Accel/
Decel
Selects the method of torque limit
controls during accel/decel
0: Proportional Controls (uses integral
controls at fixed speeds).
1: Integral Controls
Adjustment is not normally
required. With applications that
require torque limits during
accel/decel, integral controls (setting
value = 1) are used when torque
controls take precedence. When
torque limit is applied to the motor,
accel/decel time may increase and
motor speed may not run at the
indicated speed reference.
0 to 1 0 No No No A No No 4C9H
Torq Lmt
Sel
Output torque
Positive torque
Reverse
Negative torque
No. of
motor
rotations
Regenerative
state
Regenerative
state
Forward
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